| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,613 | $47,540 |
| 2016 | $61,513 | $48,580 |
| 2017 | $64,068 | $49,430 |
| 2018 | $64,068 | $50,240 |
| 2019 | $69,868 | $53,730 |
| 2020 | $72,868 | $56,730 |
| 2021* | $75,994 | $57,972 |
| 2022* | $79,254 | $59,242 |
| 2023* | $82,654 | $60,539 |
| 2024* | $86,200 | $61,865 |
| 2025* | $89,898 | $63,220 |